Home / 131,519.28-197,230.47-47,256.90

Finding the Fourth Proportional to 131,519.28, 197,230.47 and 47,256.90

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Solution

The fourth proportional to 131,519.28, 197,230.47 and 47,256.90 is: 70,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,519.28 : 197,230.47 = 47,256.90 : x
  2. Step 2: Convert to fraction form
    131,519.28/197,230.47 = 47,256.90/x
  3. Step 3: Cross multiply
    131,519.28x = 197,230.47 × 47,256.90
  4. Step 4: Simplify right side
    131,519.28x = 9,320,500,597.74
  5. Step 5: Solve for x
    x = 9,320,500,597.74/131,519.28
  6. Step 6: Final answer
    x = 70,867.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.